By Kathleen A. McCarthy and Donald B. Anderson
USGS Open-File Report 90-126, 56 pages, 6 figures, 2 tables, 1 plate
Available from U.S. Geological Survey, 10615 S.E. Cherry Blossom Drive, Portland, OR 97216 (ph: 503-251-3201, e-mail: or-info@usgs.gov) and from U.S. Geological Survey, Branch of Information Services, Box 25286, Denver, CO 80225 (303-202-4210).
Abstract
Well and spring data were collected and compiled during 1986-89 as part of a study of the ground-water resources of the Portland Basin, Oregon and Washington. Maps show the distribution of more than 15,000 wells and springs within the Portland Basin, data are tabulated for 1,586 wells and 42 springs that were field located during the study, and hydrographs are included for selected wells throughout the study area.
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